| 摘要 |
The element (P) has a first central blank (F) made from a wood sheet and including a first set of folded portions (301, 302) connected by a set of folding lines (320) to a third set of folded portions (300). A second set of folded portions (306, 307) is connected by another set of folding lines (330) to the third set of folded portions. The first set of folded portions is secured to a second blank (F2), and the second set of folded portions is secured to a third blank (F3), where the first set and the second set of folded parts are parallel to the same plane. |
